The site is kept fresh with thousands of new pics and movies every week featuring the hottest MILFs, mature ladies, and grannies on the web!
Here you can meet rich, wealthy millionaire man and millionaire woman for friendship, dating and romance, photo personals, instant messages, chat and more.

For organic materials, the comparison is between the current ratio of a radioactive isotope to a stable isotope of the same element and the known ratio of the two isotopes in living organisms.

Radiometric dating methods are the strongest direct evidence that geologists have for the age of the Earth.

All these methods point to Earth being very, very old -- several billions of years old.

With uranium-lead dating, for example, the process assumes the original proportion of uranium in the sample.

One assumption that can be made is that all the lead in the sample was once uranium, but if there was lead there to start with, this assumption is not valid, and any date based on that assumption will be incorrect (too old).